Intricate Questions. After an old man's death, in gold was found, Four men bought a grindstone, of 6 feet 9 inches diameter ; now by agreement one is to first grind off his share, and then the other ; required the number of inches that the first man must grind off ? CONTENTS. Page. Tables of Money, Weights, Measures, &c. 21 Multiplication of Federal Money, To reduce New-England currency to Fed. money, ib. To reduce Pennsylvania currency to Fed. money, 63 To reduce New-York currency to Fed. money, To reduce South-Caro ina currency to Fed. inoney, 64 To reduce English currency to Fed. money, 91 Rules for reducing Federal money to the currencies of the several United States ; also, to English, Ir'sh, Canada, Nova-Scotia, and French currencies, 66, 70 Tables for reducing various currencies, 71, 74 Single Rule of Three Direct, 75 Single Rule of Three Inverse, 83 Double Rule of Three, 86 Single Fellowship, 83 Double Fellowship, Tare and Tret, 94 Loss and Gain, 97 Barter, 100 Simple Interest, 102 Discount, 110 Equation of Payments, 111 Compound Interest, 112 Tables of Simple Interest at 6 per cent. 119, 121 Extraction of Roots, 122 Extraction of the Square Root, 123 Extraction of the Cube Root, 126 Alligation Medial, 129 Miscellaneous Questions, 131, 137 Rules for guaging Barrels, Casks, &c. 138 Vulgar Fractions, 140 Addition of Vulgar Fractions, 149 Subtraction of Vulgar Fractions, ib, Multiplication of Vulgar Fractions, 150 Division of Vulgar Fractions, ite Questions toexercise Fractions, 151 Intricate Questions, 152 Indiege Code |